Classify the input using one of these labels: neutral, positive, and negative. @SouthwestAir Open more kiosks at 
Austin-Bergstrom. Three lanes to service a line of 50 people? Really?
system
Classify the input using one of these labels: neutral, positive, and negative. @SouthwestAir Open more kiosks at 
Austin-Bergstrom. Three lanes to service a line of 50 people? Really?
user
negative
assistant
system
Classify the input using one of these labels: neutral, positive, and negative. @SouthwestAir Open more kiosks at 
Austin-Bergstrom. Three lanes to service a line of 50 people? Really?
user
neutral
assistant